310081840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 752451840

約数和(自身を除く): 442370000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 970, 1240, 1289, 1552, 1940, 2480, 2578, 3007, 3880, 5156, 6014, 6445, 7760, 10312, 12028, 12890, 15035, 20624, 24056, 25780, 30070, 39959, 48112, 51560, 60140, 79918, 103120, 120280, 125033, 159836, 199795, 240560, 250066, 319672, 399590, 500132, 625165, 639344, 799180, 1000264, 1250330, 1598360, 2000528, 2500660, 3196720, 3876023, 5001320, 7752046, 10002640, 15504092, 19380115, 31008184, 38760230, 62016368, 77520460, 155040920, 310081840]

約数ペア:

[(1, 310081840), (2, 155040920), (4, 77520460), (5, 62016368), (8, 38760230), (10, 31008184), (16, 19380115), (20, 15504092), (31, 10002640), (40, 7752046), (62, 5001320), (80, 3876023), (97, 3196720), (124, 2500660), (155, 2000528), (194, 1598360), (248, 1250330), (310, 1000264), (388, 799180), (485, 639344), (496, 625165), (620, 500132), (776, 399590), (970, 319672), (1240, 250066), (1289, 240560), (1552, 199795), (1940, 159836), (2480, 125033), (2578, 120280), (3007, 103120), (3880, 79918), (5156, 60140), (6014, 51560), (6445, 48112), (7760, 39959), (10312, 30070), (12028, 25780), (12890, 24056), (15035, 20624)]